these events. the question is will we hear from carney and president obama. we don't have the answer to those questions at had point in time. and i can tell you that the white house is being very careful about responding to these developments because they are evolving and changing before our eyes. so before the president or anyone from his team comes out and makes any remarks about this, they want to be absolutely sure they understand the situation and what is happening. just a little thing, i can tell you that ever since monday pennsylvania avenue has been closed off to foot traffic. it's always closed off to vehicular traffic. that has been the case since september 11th. the secret service that is out of an abundance of caution, but the district of columbia on heightened alert. >> kristen welker on the north lawn of the white house. the vehicular traffic actually goes all the way back to the federal building bombing. it was under the clinton administration they decided to block off the road. before we go to a break, briefly don barelli is with me. let's talk about the notion of accomplices.